218518561

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 253870848

約数和(自身を除く): 35352287

約数列:

[1, 17, 23, 41, 43, 317, 391, 697, 731, 943, 989, 1763, 5389, 7291, 12997, 13631, 16031, 16813, 29971, 40549, 123947, 220949, 231727, 298931, 313513, 558871, 689333, 5081827, 5329721, 9500807, 12854033, 218518561]

約数ペア:

[(1, 218518561), (17, 12854033), (23, 9500807), (41, 5329721), (43, 5081827), (317, 689333), (391, 558871), (697, 313513), (731, 298931), (943, 231727), (989, 220949), (1763, 123947), (5389, 40549), (7291, 29971), (12997, 16813), (13631, 16031)]